/* Copyright (c) 2011, Yinli ZHU
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the names of its 
 *       contributors may be used to endorse or promote products derived 
 *       from this software without specific prior written permission.
 *       
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Yinli ZHU BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package qjson.analysers;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;

import qjson.annotations.QJson;

public class SimpleJSONAnalyser {
  List<String> publicFields = new ArrayList<String>();
  List<String> privateFields = new ArrayList<String>();
  
  private SimpleJSONAnalyser() {
    
  }
  
  public static SimpleJSONAnalyser newInstance() {
    return new SimpleJSONAnalyser();
  }
  
  public void analyse(Object obj) {
    Class<?> theClass = obj.getClass();
    
    for (Field field : theClass.getDeclaredFields()) {
      String fieldName = field.getName();
      QJson jsonAnnotation = field.getAnnotation(QJson.class);
      
      if (jsonAnnotation!=null && !jsonAnnotation.omitted()) {
	privateFields.add(fieldName);
      } else if (Modifier.isPublic(field.getModifiers())) {
	publicFields.add(fieldName);
      }
    }
  }
  
  public void clear() {
    publicFields.clear();
    privateFields.clear();
  }
  
  public List<String> getPublicFields() {
    return publicFields;
  }
  
  public List<String> getPrivateFields() {
    return privateFields;
  }
}
